6647598 has 24 divisors (see below), whose sum is σ = 15030288. Its totient is φ = 2119392.

The previous prime is 6647593. The next prime is 6647623. The reversal of 6647598 is 8957466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6647593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7615 + ... + 8442.

It is an arithmetic number, because the mean of its divisors is an integer number (626262).

Almost surely, 2^6647598 is an apocalyptic number.

6647598 is an abundant number, since it is smaller than the sum of its proper divisors (8382690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6647598 is a wasteful number, since it uses less digits than its factorization.

6647598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16088 (or 16085 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 6647598 is about 2578.2936217584. The cubic root of 6647598 is about 188.0275913933.

The spelling of 6647598 in words is "six million, six hundred forty-seven thousand, five hundred ninety-eight".